18 U.S.C. § 521: Criminal street gangs

that has as 1 of its primary purposes the commission of 1 or more of the criminal offenses described in subsection (c); the members of which engage, or have engaged within the past 5 years, in a continuing series of offenses described in subsection (c); and the activities of which affect interstate or foreign commerce. The sentence of a person convicted of an offense described in subsection (c) shall be increased by up to 10 years if the offense is committed under the circumstances described in subsection (d). a Federal felony involving a controlled substance (as defined in section 102 of the Controlled Substances Act ( 21 U.S.C. 802 )) for which the maximum penalty is not less than 5 years; a Federal felony crime of violence that has as an element the use or attempted use of physical force against the person of another; a Federal offense involving human trafficking, sexual abuse, sexual exploitation, or transportation for prostitution or any illegal sexual activity; and a conspiracy to commit an offense described in paragraph (1), (2), or (3). participates in a criminal street gang with knowledge that its members engage in or have engaged in a continuing series of offenses described in subsection (c); intends to promote or further the felonious activities of the criminal street gang or maintain or increase his or her position in the gang; and an offense described in subsection (c); involving a controlled substance (as defined in section 102 of the Controlled Substances Act ( 21 U.S.C. 802 )) for which the maximum penalty is not less than 5 years’ imprisonment; or that is a felony crime of violence that has as an element the use or attempted use of physical force against the person of another; any Federal or State felony offense that by its nature involves a substantial risk that physical force against the person of another may be used in the course of committing the offense; or a conspiracy to commit an offense described in subparagraph (A), (B), or (C).